参数资料
型号: XRT83SH314IB
厂商: Exar Corporation
文件页数: 63/101页
文件大小: 0K
描述: IC LIU T1/E1/J1 14CH 304TBGA
标准包装: 27
类型: 线路接口装置(LIU)
驱动器/接收器数: 14/14
规程: T1,E1,J1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 304-BBGA
供应商设备封装: 304-PBGA(31x31)
包装: 托盘
XRT83SH314
60
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.4
5.0
MICROPROCESSOR INTERFACE BLOCK
The Microprocessor Interface section supports communication between the local microprocessor (P) and the
LIU.
The XRT83SH314S supports an Intel asynchronous interface, Motorola 68K asynchronous, and a
Motorola Power PC interface. The microprocessor interface is selected by the state of the PTS[2:0] input
pins. Selecting the microprocessor interface is shown in Table 14.
The XRT83SH314S uses multipurpose pins to configure the device appropriately. The local P configures the
LIU by writing data into specific addressable, on-chip Read/Write registers. The microprocessor interface
provides the signals which are required for a general purpose microprocessor to read or write data into these
registers. The microprocessor interface also supports polled and interrupt driven environments. A simplified
block diagram of the microprocessor is shown in Figure 56.
TABLE 14: SELECTING THE MICROPROCESSOR INTERFACE MODE
PTS[2:0]
MICROPROCESSOR MODE
0h (000)
Intel 68HC11, 8051, 80C188
(Asynchronous)
1h (001)
Motorola 68K (Asynchronous)
7h (111)
Motorola MPC8260, MPC860
Power PC (Synchronous)
FIGURE 56. SIMPLIFIED BLOCK DIAGRAM OF THE MICROPROCESSOR INTERFACE BLOCK
Microprocessor
Interface
WR_R/W
RD_WE
ALE
PType [2:0]
RDY_TA
Reset
Pclk
CS
INT
ADDR[10:0]
DATA[7:0]
CS5
CS4
CS3
CS2
CS1
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